$main: #2d2c63;
$ff: #fff;
$btn: #546ffc;
$bg: #f7f7fa;
$bl6: rgba(0, 0, 0, 0.65);
$bl8: rgba(0, 0, 0, 0.85);
$pfm: PingFangSC-Medium, PingFang SC;
$pfh: PingFang-SC-Heavy, PingFang-SC;
$pfr: PingFangSC-Regular, PingFang SC;
